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In Reply to: I said hearing in SPL posted by fmak on September 12, 2014 at 09:51:45:
If you get a tube amp to produce 130dBspl through your speakers you will not hear anything at -120dBspl because the distortion noise is 1000 to 10 000 times stronger.
Alternatively you could stand next to an air hammer and the chances are that you won't be able to hear the ticking of a watch you might be wearing.
While we can perceive noises or signals from a few dBspl to about 120+dBspl we can not perceive them if they are happening simultaneously. For simultaneous aural stimulation we can hear differences of about 40-50dB. Anything more than that and the lower one will be completely masked.
Similarly and using a Mahler crescendo of 120dB or more you won't be able to tell if the triangle is being played or not.
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Follow Ups
- So what? - b.l.zeebub 10:48:51 09/12/14 (4)
- Inmates are resistant to the idea of audio masking - Jaundiced Ear 16:23:52 09/12/14 (0)
- RE: So what?This - fmak 12:41:15 09/12/14 (0)
- "differences of about 40-50dB" - couple of questions for you. - carcass93 11:09:12 09/12/14 (1)
- RE: "differences of about 40-50dB" - couple of questions for you. - b.l.zeebub 07:44:54 09/13/14 (0)
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